[API/Idziennik] Add getting attachments.

app/src/main/java/pl/szczodrzynski/edziennik/data/api/Constants.kt

@@ -70,6 +70,7 @@ const val IDZIENNIK_WEB_ATTENDANCE = "mod_panelRodzica/obecnosci/WS_obecnosciUcz
 const val IDZIENNIK_WEB_ANNOUNCEMENTS = "mod_panelRodzica/tabOgl/WS_tablicaOgloszen.asmx/GetOgloszenia"
 const val IDZIENNIK_WEB_MESSAGES_LIST = "mod_komunikator/WS_wiadomosci.asmx/PobierzListeWiadomosci"
 const val IDZIENNIK_WEB_GET_MESSAGE = "mod_komunikator/WS_wiadomosci.asmx/PobierzWiadomosc"
+const val IDZIENNIK_WEB_GET_ATTACHMENT = "mod_komunikator/Download.ashx"
 
 val IDZIENNIK_API_USER_AGENT = SYSTEM_USER_AGENT
 const val IDZIENNIK_API_URL = "https://iuczniowie.progman.pl/idziennik/api"

app/src/main/java/pl/szczodrzynski/edziennik/data/api/Errors.kt

@@ -184,5 +184,6 @@ const val EXCEPTION_IDZIENNIK_WEB_REQUEST                   = 912
 const val EXCEPTION_IDZIENNIK_WEB_API_REQUEST               = 913
 const val EXCEPTION_IDZIENNIK_API_REQUEST                   = 914
 const val EXCEPTION_EDUDZIENNIK_WEB_REQUEST                 = 920
+const val EXCEPTION_EDUDZIENNIK_FILE_REQUEST                = 921
 
 const val LOGIN_NO_ARGUMENTS                                = 1201

app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/idziennik/Idziennik.kt

@@ -8,6 +8,7 @@ import com.google.gson.JsonObject
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.data.api.CODE_INTERNAL_LIBRUS_ACCOUNT_410
 import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.data.IdziennikData
+import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.data.web.IdziennikWebGetAttachment
 import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.data.web.IdziennikWebGetMessage
 import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.firstlogin.IdziennikFirstLogin
 import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.login.IdziennikLogin
@@ -83,7 +84,11 @@ class Idziennik(val app: App, val profile: Profile?, val loginStore: LoginStore,
     }
 
     override fun getAttachment(message: Message, attachmentId: Long, attachmentName: String) {
-
+        IdziennikLoginWeb(data) {
+            IdziennikWebGetAttachment(data, message, attachmentId, attachmentName) {
+                completed()
+            }
+        }
     }
 
     override fun firstLogin() {

app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/idziennik/data/IdziennikWeb.kt

@@ -8,12 +8,14 @@ import com.google.gson.JsonArray
 import com.google.gson.JsonObject
 import im.wangchao.mhttp.Request
 import im.wangchao.mhttp.Response
+import im.wangchao.mhttp.callback.FileCallbackHandler
 import im.wangchao.mhttp.callback.JsonCallbackHandler
 import im.wangchao.mhttp.callback.TextCallbackHandler
 import pl.szczodrzynski.edziennik.data.api.*
 import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.DataIdziennik
 import pl.szczodrzynski.edziennik.data.api.models.ApiError
 import pl.szczodrzynski.edziennik.utils.Utils.d
+import java.io.File
 import java.net.HttpURLConnection.HTTP_INTERNAL_ERROR
 import java.net.HttpURLConnection.HTTP_UNAUTHORIZED
 
@@ -156,4 +158,54 @@ open class IdziennikWeb(open val data: DataIdziennik) {
                 .build()
                 .enqueue()
     }
+
+    fun webGetFile(tag: String, endpoint: String, targetFile: File, parameters: Map<String, Any>,
+                   onSuccess: (file: File) -> Unit, onProgress: (written: Long, total: Long) -> Unit) {
+
+        d(tag, "Request: Idziennik/Web - $IDZIENNIK_WEB_URL/$endpoint")
+
+        val callback = object : FileCallbackHandler(targetFile) {
+            override fun onSuccess(file: File?, response: Response?) {
+                if (file == null) {
+                    data.error(ApiError(TAG, ERROR_FILE_DOWNLOAD)
+                            .withResponse(response))
+                    return
+                }
+
+                try {
+                    onSuccess(file)
+                } catch (e: Exception) {
+                    data.error(ApiError(tag, EXCEPTION_EDUDZIENNIK_FILE_REQUEST)
+                            .withResponse(response)
+                            .withThrowable(e))
+                }
+            }
+
+            override fun onProgress(bytesWritten: Long, bytesTotal: Long) {
+                try {
+                    onProgress(bytesWritten, bytesTotal)
+                } catch (e: Exception) {
+                    data.error(ApiError(tag, EXCEPTION_EDUDZIENNIK_FILE_REQUEST)
+                            .withThrowable(e))
+                }
+            }
+
+            override fun onFailure(response: Response?, throwable: Throwable?) {
+                data.error(ApiError(tag, ERROR_REQUEST_FAILURE)
+                        .withResponse(response)
+                        .withThrowable(throwable))
+            }
+        }
+
+        Request.builder()
+                .url("$IDZIENNIK_WEB_URL/$endpoint")
+                .userAgent(IDZIENNIK_USER_AGENT)
+                .apply {
+                    parameters.forEach { (k, v) -> addParameter(k, v) }
+                }
+                .post()
+                .callback(callback)
+                .build()
+                .enqueue()
+    }
 }

app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/idziennik/data/web/IdziennikWebGetAttachment.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) Kacper Ziubryniewicz 2019-12-28
+ */
+
+package pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.data.web
+
+import org.greenrobot.eventbus.EventBus
+import pl.szczodrzynski.edziennik.data.api.IDZIENNIK_WEB_GET_ATTACHMENT
+import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.DataIdziennik
+import pl.szczodrzynski.edziennik.data.api.edziennik.idziennik.data.IdziennikWeb
+import pl.szczodrzynski.edziennik.data.api.events.AttachmentGetEvent
+import pl.szczodrzynski.edziennik.data.db.modules.messages.Message
+import pl.szczodrzynski.edziennik.get
+import pl.szczodrzynski.edziennik.utils.Utils
+import java.io.File
+
+class IdziennikWebGetAttachment(
+        override val data: DataIdziennik, val message: Message, val attachmentId: Long,
+        val attachmentName: String, val onSuccess: () -> Unit
+) : IdziennikWeb(data) {
+    companion object {
+        const val TAG = "IdziennikWebGetAttachment"
+    }
+
+    init {
+        val messageId = "\\[META:([A-z0-9]+);([0-9-]+)]".toRegex().find(message.body ?: "")?.get(2) ?: -1
+        val targetFile = File(Utils.getStorageDir(), attachmentName)
+
+        webGetFile(TAG, IDZIENNIK_WEB_GET_ATTACHMENT, targetFile, mapOf(
+                "id" to messageId,
+                "fileName" to attachmentName
+        ), { file ->
+            val event = AttachmentGetEvent(
+                    profileId,
+                    message.id,
+                    attachmentId,
+                    AttachmentGetEvent.TYPE_FINISHED,
+                    file.absolutePath
+            )
+
+            val attachmentDataFile = File(Utils.getStorageDir(), ".${profileId}_${event.messageId}_${event.attachmentId}")
+            Utils.writeStringToFile(attachmentDataFile, event.fileName)
+
+            EventBus.getDefault().post(event)
+
+            onSuccess()
+
+        }) { written, _ ->
+            val event = AttachmentGetEvent(
+                    profileId,
+                    message.id,
+                    attachmentId,
+                    AttachmentGetEvent.TYPE_PROGRESS,
+                    bytesWritten = written
+            )
+
+            EventBus.getDefault().post(event)
+        }
+    }
+}

app/src/main/res/values/errors.xml

@@ -152,6 +152,7 @@
     <string name="error_913" translatable="false">EXCEPTION_IDZIENNIK_WEB_API_REQUEST</string>
     <string name="error_914" translatable="false">EXCEPTION_IDZIENNIK_API_REQUEST</string>
     <string name="error_920" translatable="false">EXCEPTION_EDUDZIENNIK_WEB_REQUEST</string>
+    <string name="error_921" translatable="false">EXCEPTION_EDUDZIENNIK_FILE_REQUEST</string>
 
     <string name="error_1201" translatable="false">LOGIN_NO_ARGUMENTS</string>
 
@@ -303,6 +304,7 @@
     <string name="error_913_reason">EXCEPTION_IDZIENNIK_WEB_API_REQUEST</string>
     <string name="error_914_reason">EXCEPTION_IDZIENNIK_API_REQUEST</string>
     <string name="error_920_reason">Wystąpił błąd</string>
+    <string name="error_921_reason">Wystąpił błąd podczas pobierania pliku</string>
 
     <string name="error_1201_reason">Nie podano parametrów</string>
 </resources>